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Home | 11-14 Mustang | Drivetrain | Differential | BRENSPEED 8.8 Mustang Rearend Build Package 2005-2014 GT and GT500

BRENSPEED 8.8 Mustang Rearend Build Package 2005-2014 GT and GT500

Item Number:BREN8.8Package
Market Price:$1,999.99Our Price:$1,822.59
Choose Your Gear Option:
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2013-14 GT500?:
Add FRPP Axle Girdle Cover Kit:
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  • Description
  • Reviews

2005-2014 MUSTANG GT & GT500

Want to strengthen your Mustangs rear end with the same equipment we use on our own Mustangs? This Brenspeed Rearend Build Package is the exact same parts we run on our NMRA race cars and cars that drive daily on the street. We have been using this package for years and not one time have we broke an axle even running 1.4 60 foot short times on our shop car running 10 flat in the quarter mile! We have saved you some money creating this package so you can get everything you need at a discounted price.


31 Spline Moser Axles :
Moser Engineering 05-14 Mustang replacement axle. Made from the same custom alloy used in their racing axles, these c-clip axles are 25-30% stronger than its OEM counterparts and are prepped for ABS exciter rings.

Eaton TrueTrac Differential: The TrueTrac maximizes traction by delivering 100% of the torque to both drive wheels. It is engineered to keep both wheels in a constant drive mode, and has the ability to automatically allow wheel speed differentiation when required.

ABS Tone Rings: Original equipment Ford ABS Tone Rings are included so you will not have to attempt to press your old tone rings off your axles. Trying to remove used tone rings often result in tone ring failure.

Moser Wheel Studs:
You get your choice of factory length wheel studs or 3 in. long wheel studs for racing applications.

Ford Racing Performance Ring & Pinion: You get your choice of Ford Racing 3.55, 3.73, or 4.10 ratio gears. Ford Racing gear sets are not only the best on the market but the only gear set we install at Brenspeed.

Master Installation Bearing and Shim Kit:
Our master installation kits include shims, crush sleeve, pinion and diff bearings, gasket or gasket sealer, pinion seal, new ring gear bolts, and marking compound. This complete kit is a must have for a gear install.

Fluids for your installation: We include 3 quarts of Valvoline High Performance Gear Oil for your installation. We also include a bottle of the proper friction modifier so your new Eaton differential will function properly.

NOTE:  2013-14 Shelby GT-500s require a larger Pinion Bearing than what is included in the Master Install Kit.  If your car is a 13-14 Gt-500, please choose your year from the drop down above to include this part.  Also, 2013-14 Mustang GTs that have the Factory Torsion Differential option also require this larger bearing.  Please check your application before ordering, or call Brenspeed for help.  All other parts in the package will work correctly.

Ordered the cold air and tuner combo. Best tune I have had. Really woke up my 5.0

- C. Faulkner

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